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  <title>Retrieves RGB components of a color</title>

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</div><hr /><div id="function.ncurses-color-content" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ncurses_color_content</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5 &lt; 5.3.0, PECL ncurses &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">ncurses_color_content</span> &mdash; <span class="dc-title">Retrieves RGB components of a color</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.ncurses-color-content-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">int</span> <span class="methodname"><strong>ncurses_color_content</strong></span>
    ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$color</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$r</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$g</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter reference">&$b</code></span>
   )</div>

  <p class="para rdfs-comment">
   Retrieves the red, green, and blue components for the given color definition.
   Terminal color capabilities must be initialized with
   <span class="function"><a href="function.ncurses-start-color.html" class="function">ncurses_start_color()</a></span> prior to calling this function.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.ncurses-color-content-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">color</code></em></dt>

     <dd>

      <p class="para">
       The number of the color to retrieve information for. May be one of the
       pre-defined color constants.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">r</code></em></dt>

     <dd>

      <p class="para">
       A reference to which to return the red component of the color. The value
       returned to the reference will be between 0 and 1000.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">g</code></em></dt>

     <dd>

      <p class="para">
       A reference to which to return the green component of the color. The value
       returned to the reference will be between 0 and 1000.
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">b</code></em></dt>

     <dd>

      <p class="para">
       A reference to which to return the blue component of the color. The value
       returned to the reference will be between 0 and 1000.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.ncurses-color-content-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <em>-1</em> if the function was successful, and
   <em>0</em> if ncurses or terminal color capabilities have not been
   initialized.
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ncurses-color-content-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ncurses-init-color.html" class="function" rel="rdfs-seeAlso">ncurses_init_color()</a> - Define a terminal color</span></li>
    <li class="member"><span class="function"><a href="function.ncurses-start-color.html" class="function" rel="rdfs-seeAlso">ncurses_start_color()</a> - Initializes color functionality</span></li>
   </ul>
  </p>
 </div>

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